Clone type usage

dart-lang · Oct 8, 2024 · 0010eca · 0010eca
1 parent de23aec
commit 0010eca
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Showing 2 changed files with 25 additions and 1 deletion.
diff --git a/pkgs/jnigen/lib/src/bindings/kotlin_processor.dart b/pkgs/jnigen/lib/src/bindings/kotlin_processor.dart
@@ -56,7 +56,7 @@ class _KotlinMethodProcessor extends Visitor<Method, void> {
       final continuationType = node.params.last.type.type as DeclaredType;
       node.asyncReturnType = continuationType.params.isEmpty
           ? TypeUsage.object
-          : continuationType.params.first;
+          : continuationType.params.first.clone();
     }
   }
 }
diff --git a/pkgs/jnigen/lib/src/elements/elements.dart b/pkgs/jnigen/lib/src/elements/elements.dart
@@ -253,6 +253,30 @@ class TypeUsage {
   R accept<R>(TypeVisitor<R> v) {
     return type.accept(v);
   }
+
+  TypeUsage clone() {
+    final ReferredType clonedType;
+    final clonedTypeJson = typeJson.map(MapEntry.new);
+    switch (kind) {
+      case Kind.primitive:
+        clonedType = PrimitiveType.fromJson(clonedTypeJson);
+        break;
+      case Kind.typeVariable:
+        clonedType = TypeVar.fromJson(clonedTypeJson);
+        break;
+      case Kind.wildcard:
+        clonedType = Wildcard.fromJson(clonedTypeJson);
+        break;
+      case Kind.declared:
+        clonedType = DeclaredType.fromJson(clonedTypeJson);
+        break;
+      case Kind.array:
+        clonedType = ArrayType.fromJson(clonedTypeJson);
+        break;
+    }
+    return TypeUsage(shorthand: shorthand, kind: kind, typeJson: clonedTypeJson)
+      ..type = clonedType;
+  }
 }
 
 abstract class ReferredType {